Sentence examples for mean gray levels from inspiring English sources

The derivation of the analytic model of the contrast as a function of mean gray levels for Gamma distribution driven speckle patterns was based on the assumption that M < < μ '.

The RGB images were then converted to 16-bit gray scale, and the mean gray levels of the isthmus regions were measured using the SimplePCI image quantification software (Hamamatsu, Janpan).

Let gl be the mean gray level value in this region.

1. DO compute the initial threshold t 1 as the mean gray level of the segmented slice   2.

I t ( i, j ) is the mean gray intensity level estimated at particle position (i, j) at time t, and Z t ( i, j ) is the measured mean gray level intensity value at position (i, j) at time t.

Typical parameters derived from the histogram analysis include the kurtosis, skewness, and standard deviation of the pixel distribution histogram, mean gray level intensity, entropy, and uniformity.

DO compute μ 1 and μ 2 as the mean gray level of each of the two classes obtained after thresholding the segmented slice with the threshold t 1   3.

The second condition ensures that the mean gray level measured in the (i+1 th image on an area which is supposed to be a non-occluded part of the tomato is consistent with the one found in the previous image.

The SFTA feature vector is constructed by representing the resulting binary images through their size, mean gray level, and characterization of boundary fractal dimension through the box-counting method.

DO compute μ 1 and μ 2 as the mean gray level of each of the two classes obtained after thresholding the segmented slice with the threshold t 1. DO compute the new threshold t 2 as the mean value of μ 1 and μ 2: t 2 = (μ 1 + μ 2)/2.

Finally the mean gray level in the cytoplasm was calculated and exported to a spreadsheet.